Date: Sun, 21 Aug 2011 13:47:59 -0400 From: Derrick Edwards <dantavious313@gmail.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Re: PANICS on 9.0-BETA1 Message-ID: <1313948879.2448.3.camel@datdude> In-Reply-To: <4E4E717B.9090407@FreeBSD.org> References: <1313705220.8034.2.camel@datdude> <4E4E717B.9090407@FreeBSD.org>
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On Fri, 2011-08-19 at 17:21 +0300, Andriy Gapon wrote:
> on 19/08/2011 01:07 Derrick Edwards said the following:
> > Fatal trap 12: page fault while in kernel mode
> > cpuid = 0; apic id = 00
> > fault virtual address = 0xffffbe00a45b6798
>
> This address looks suspiciously like a result of bit flips.
>
> > fault code = supervisor write data, page not present
> > instruction pointer = 0x20:0xffffffff814f444c
> > stack pointer = 0x28:0xffffff82267fbe90
> > frame pointer = 0x28:0xffffff82267fbea0
> > code segment = base 0x0, limit 0xfffff, type 0x1b
> > = DPL 0, pres 1, long 1, def32 0, gran 1
> > processor eflags = interrupt enabled, resume, IOPL = 0
> > current process = 5889 (csup)
> > trap number = 12
> > panic: page fault
> > cpuid = 0
> > Uptime: 10h9m0s
> > Dumping 1823 out of 7912
>
> Do you always get the same stack trace? Or are they always different?
> I would double-check the hardware first.
>
Andriy,
Thanks for the reply. The stack trace are different. Attached is the
latest one. Machine is about 3 months old. Any recommendations on what
hardware to start looking at. Panic occurs with X and without X being
used.
Derrick
panic: page fault
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This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
trap number = 12
panic: page fault
cpuid = 3
Uptime: 2m12s
Dumping 1317 out of 7912
MB:..2%..11%..21%..31%..41%..51%..61%..71%..81%..92%
Reading symbols from /boot/kernel/zfs.ko...Reading symbols
from /boot/kernel/zfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/zfs.ko
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols
from /boot/kernel/opensolaris.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols
from /boot/kernel/linprocfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linprocfs.ko
Reading symbols from /boot/kernel/linux.ko...Reading symbols
from /boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
#0 doadump (textdump=Variable "textdump" is not available.
) at pcpu.h:224
224 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=Variable "textdump" is not available.
) at pcpu.h:224
#1 0xffffffff80850995 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:430
#2 0xffffffff80850dc3 in panic (fmt=0x0)
at /usr/src/sys/kern/kern_shutdown.c:595
#3 0xffffffff80b3b5cd in trap_fatal (frame=0xfffffe0007eb5000,
eva=Variable "eva" is not available.
)
at /usr/src/sys/amd64/amd64/trap.c:805
#4 0xffffffff80b3b9ed in trap_pfault (frame=0xffffff8221a275d0,
usermode=0)
at /usr/src/sys/amd64/amd64/trap.c:721
#5 0xffffffff80b3bf2f in trap (frame=0xffffff8221a275d0)
at /usr/src/sys/amd64/amd64/trap.c:473
#6 0xffffffff80b268a3 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:228
#7 0xffffffff80a986fc in swp_pager_hash (object=0xfffffe0009d1fd80,
index=1140583520) at /usr/src/sys/vm/swap_pager.c:466
#8 0xffffffff80a99129 in swp_pager_meta_build
(object=0xfffffe0009d1fd80,
pindex=1140583549, swapblk=1191201)
at /usr/src/sys/vm/swap_pager.c:1850
#9 0xffffffff80a9b7db in swap_pager_putpages
(object=0xfffffe0009d1fd80,
m=0xffffff8221a27888, count=16, sync=0, rtvals=0xffffff8221a277a0)
at /usr/src/sys/vm/swap_pager.c:1399
#10 0xffffffff80ab7a50 in vm_pageout_flush (mc=Variable "mc" is not
available.
) at vm_pager.h:144
#11 0xffffffff80ab7e16 in vm_pageout_clean (m=0x4)
at /usr/src/sys/vm/vm_pageout.c:448
#12 0xffffffff80aba24b in vm_pageout ()
at /usr/src/sys/vm/vm_pageout.c:1089
#13 0xffffffff8082234f in fork_exit (callout=0xffffffff80ab8c10
<vm_pageout>,
arg=0x0, frame=0xffffff8221a27c50)
at /usr/src/sys/kern/kern_fork.c:1025
#14 0xffffffff80b26dce in fork_trampoline ()
at /usr/src/sys/amd64/amd64/exception.S:603
#15 0x0000000000000000 in ?? ()
#16 0x0000000000000000 in ?? ()
#17 0x0000000000000001 in ?? ()
#18 0x0000000000000000 in ?? ()
#19 0x0000000000000000 in ?? ()
#20 0x0000000000000000 in ?? ()
#21 0x0000000000000000 in ?? ()
#22 0x0000000000000000 in ?? ()
#23 0x0000000000000000 in ?? ()
#24 0x0000000000000000 in ?? ()
#25 0x0000000000000000 in ?? ()
#26 0x0000000000000000 in ?? ()
#27 0x0000000000000000 in ?? ()
#28 0x0000000000000000 in ?? ()
#29 0x0000000000000000 in ?? ()
#30 0x0000000000000000 in ?? ()
#31 0x0000000000000000 in ?? ()
#32 0x0000000000000000 in ?? ()
#33 0x0000000000000000 in ?? ()
#34 0x0000000000000000 in ?? ()
#35 0x0000000000000000 in ?? ()
#36 0x0000000000000000 in ?? ()
#37 0x0000000000000000 in ?? ()
#38 0x0000000000000000 in ?? ()
#39 0xffffffff81179b40 in affinity ()
#40 0x0000000000000000 in ?? ()
#41 0x0000000000000000 in ?? ()
#42 0xfffffe0007f798c0 in ?? ()
#43 0xffffff8221a27180 in ?? ()
#44 0xffffff8221a27128 in ?? ()
#45 0xfffffe0005150460 in ?? ()
#46 0xffffffff8087a290 in sched_switch (td=0xffffffff80ab8c10,
newtd=0x0,
flags=Variable "flags" is not available.
) at /usr/src/sys/kern/sched_ule.c:1848
Previous frame inner to this frame (corrupt stack?)
(kgdb)
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